中文：DC-022K 卡式 DC 电源插座 5.52.1 圆形卡扣式直流充电母座
English: DC-022K Snap-in DC Power Jack 5.52.1 Round Snap Type DC Socket
产品描述（中英双语）
中文：DC-022K 圆形卡式 DC 插座，开孔安装带卡扣固定，装配便捷。标准规格 5.5×2.1mm，耐高温塑胶壳体，金属导电端子弹性稳定，插拔不易松动。广泛应用于适配器、监控设备、仪器仪表、小家电外壳外置供电接口，支持面板嵌入式安装。
English: DC-022K round snap-in DC socket with buckle design for easy panel mounting. Standard size 5.5×2.1mm. High temperature resistant plastic housing, elastic metal terminals ensure stable connection and anti-loosening during plugging. Widely used in power adapters, monitoring equipment, instruments and small household appliances as external power interface.
FAQ 中英双语
Q1：标准适配插头规格是多少？
A1：标配适配 5.52.1mm DC 电源插头。
Q1: Which DC plug size is matched?
A1: Standard for 5.52.1mm DC plug.
Q2：安装方式有什么特点？
A2：面板开孔卡入式安装，无需螺丝，组装高效。
Q2: What is the installation feature?
A2: Snap-in panel mounting, no screws required for fast assembly.
Q3：是否有 5.52.5 规格备选？
A3：支持 5.52.1 现货，可咨询 5.52.5 供货情况。
Q3: Is 5.52.5 version available?
A3: 5.52.1 in stock, please inquire for 5.52.5 availability.
Q4：端子镀层材质是什么？
A4：导电端子镀镍，抗氧化，焊接性能良好。
Q4: What is terminal plating?
A4: Nickel-plated terminals, anti-oxidation with good solderability.
Q5：可以申请样品测试吗？
A5：支持样品订购，大批量订单交期可协商。
Q5: Can I order samples for testing?
A5: Sample order supported, bulk order lead time negotiable.
